CREX Table B - element descriptors

As used by Cipher T-CREX Class Library, based on WMO CREX Table B version 6

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This HTML-formatted table is based on a WMO document.
Please consult the original WMO document for more details and for possible notes.

Update history


Links to classes:     00 01 02 04 05 06 07 08 10 11 12 13 14 15 19 20 21 22 23 24 25 26 27 28 29 30 33 35 40



Class 00

#
 B00001 Table A:  entry
 Character
 0 3
#
 B00002 Table A:  data category description, line 1
 Character
 0 32
#
 B00003 Table A:  data category description, line 2
 Character
 0 32
#
 B00004 BUFR/CREX Master table (see Note 2)
 Character
 0 2
#
 B00005 BUFR/CREX edition number
 Character
 0 3
#
 B00006 BUFR Master table Version number (see Note 3)
 Character
 0 2
#
 B00007 CREX Master table Version number (see Note 4)
 Character
 0 2
#
 B00008 BUFR Local table version number (see Note 5)
 Character
 0 2
#
 B00010 F descriptor to be added or defined
 Character
 0 1
#
 B00011 X descriptor to be added or defined
 Character
 0 2
#
 B00012 Y descriptor to be added or defined
 Character
 0 3
#
 B00013 Element name, line 1
 Character
 0 32
#
 B00014 Element name, line 2
 Character
 0 32
#
 B00015 Units name
 Character
 0 24
#
 B00016 Units scale sign
 Character
 0 1
#
 B00017 Units scale
 Character
 0 3
#
 B00018 Units reference sign
 Character
 0 1
#
 B00019 Units reference value
 Character
 0 10
#
 B00020 Element data width
 Character
 0 3
#
 B00030 Descriptor defining sequence
 Character
 0 6
#

Class 01

#
 B01001 WMO block number
 Numeric
 0 2
#
 B01002 WMO station number
 Numeric
 0 3
#
 B01003 WMO Region number/geographical area
 Code table
 0 1
#
 B01004 WMO Region sub-area (see Note 9)
 Numeric
 0 1
#
 B01005 Buoy/platform identifier
 Numeric
 0 5
#
 B01006 Aircraft flight number
 Character
 0 8
#
 B01007 Satellite identifier
 Code table
 0 4
#
 B01008 Aircraft registration number or other identification
 Character
 0 8
#
 B01009 Type of commercial aircraft
 Character
 0 8
#
 B01010 Stationary buoy platform identifier; e.g. C-MAN buoys
 Character
 0 8
#
 B01011 Ship or mobile land station identifier
 Character
 0 9
#
 B01012 Direction of motion of moving observing platform**
 Degree true
 0 3
#
 B01013 Speed of motion of moving observing platform((
 m s-1
 0 3
#
 B01014 Platform drift speed (high precision)
 m s-1
 2 4
#
 B01015 Station or site name
 Character
 0 20
#
 B01018 Short station or site name
 Character
 0 5
#
 B01019 Long Station or site name
 Character
 0 32
#
 B01020 WMO Region sub-area
 Numeric
 0 2
#
 B01021 Synoptic feature identifier
 Numeric
 0 4
#
 B01022 Name of feature (see Note 11)
 Character
 0 28
#
 B01023 Observation sequence number
 Numeric
 0 3
#
 B01024 Wind Speed source
 Code table
 0 2
#
 B01025 Storm identifier
 Character
 0 3
#
 B01026 WMO storm name*
 Character
 0 8
#
 B01027 WMO long storm name
 Character
 0 10
#
 B01028 Aerosol optical Depth (AOD) source 
 Code table
 0 2
#
 B01029 SSI Source
 Code table
 0 2
#
 B01030 Numerical model identifier (see Note 13)
 Character
 0 16
#
 B01031 Identification of originating/generating centre (see Note 10)
 Code table
 0 5
#
 B01032 Generating application
 Code table
 0 3
#
 B01033 Identification of originating/generating centre
 Code table
 0 3
#
 B01034 Identification of originating/generating sub-centre
 Code table
 0 3
#
 B01035 Originating Centre
 Common Code Table C-11
 0 5
#
 B01036 Agency in charge of operating the Observing platform
 Code table
 0 7
#
 B01037 SIGMET sequence identifier
 Character
 0 3
#
 B01038 Source of Sea Ice Fraction
 Code table
 0 2
#
 B01039 Graphical Area Forecast (GFA) sequence identifier
 Character
 0 5
#
 B01041 Absolute platform velocity - first component (see Note 6)
 m s-1
 5 10
#
 B01042 Absolute platform velocity - second component (see Note 6)
 m s-1
 5 10
#
 B01043 Absolute platform velocity - third component (see Note 6)
 m s-1
 5 10
#
 B01050 Platform transmitter ID number
 Numeric
 0 6
#
 B01051 Platform transmitter ID number
 Character
 0 12
#
 B01060 Aircraft reporting point (Beacon identifier)
 Character
 0 8
#
 B01062 Short ICAO location indicator
 Character
 0 4
#
 B01063 ICAO location indicator
 Character
 0 8
#
 B01064 Runway designator
 Character
 0 4
#
 B01065 ICAO region identifier
 Character
 0 32
#
 B01075 Tide station identification
 Character
 0 5
#
 B01080 Ship line number according to SOOP
 Character
 0 4
#
 B01081 Radiosonde serial number
 Character
 0 20
#
 B01082 Radiosonde ascension number (see Note 12)
 Numeric
 0 4
#
 B01083 Radiosonde release number (see Note 12)
 Numeric
 0 1
#
 B01085 Observing platform manufacturer's model
 Character
 0 20
#
 B01086 Observing platform manufacturer's serial number
 Character
 0 32
#
 B01087 WMO Marine observing platform extended identifier
 Numeric
 0 7
#
 B01090 Technique for making up initial perturbations
 Code table
 0 3
#
 B01091 Ensemble member number
 Numeric
 0 4
#
 B01092 Type of ensemble forecast
 Code table
 0 3
#
 B01093 Balloon lot number
 Character
 0 12
#
 B01094 WBAN Number
 Numeric
 0 5
#
 B01095 Observer identification
 Character
 0 4
#
 B01096 Station acquisition
 Character
 0 20
#
 B01101 State identifier
 Code table
 0 3
#
 B01102 National station number
 Numeric
 0 9
#
 B01124 Grid point identifier
 Numeric
 0 8
#
 B01144 Snapshot identifier
 Numeric
 0 10
#

Class 02

#
 B02001 Type of station
 Code table
 0 1
#
 B02002 Type of instrumentation for wind measurement
 Flag table
 0 2	4
#
 B02003 Type of measuring equipment used
 Code table
 0 2
#
 B02004 Type of instrumentation for evaporation measurement or type of crop for which evapotranspiration is reported
 Code table
 0 2
#
 B02005 Precision of temperature observation
 K
 2 3
#
 B02011 Radiosonde type
 Code table
 0 3
#
 B02012 Radiosonde computational method
 Code table
 0 2
#
 B02013 Solar and infrared radiation correction
 Code table
 0 2
#
 B02014 Tracking technique/status of system used
 Code table
 0 3
#
 B02015 Radiosonde completeness
 Code table
 0 2
#
 B02016 Radiosonde configuration
 Flag table
 0 2	5
#
 B02019 Satellite instruments
 Code table
 0 4
#
 B02020 Satellite classification
 Code table
 0 3
#
 B02021 Satellite instrument data used in processing*
 Flag table
 0 3	9
#
 B02022 Satellite data-processing technique used
 Flag table
 0 3	8
#
 B02023 Satellite derived wind computation method
 Code table
 0 2
#
 B02024 Integrated mean humidity computational method
 Code table
 0 2
#
 B02025 Satellite channel(s) used in computation
 Flag table
 0 9	25
#
 B02026 Cross track resolution
 m
 2 4
#
 B02027 Along track resolution
 m
 2 4
#
 B02028 Segment size at nadir in X direction
 m
 0 6
#
 B02029 Segment size at nadir in Y direction
 m
 0 6
#
 B02030 Method of current measurement
 Code table
 0 1
#
 B02031 Duration and time of current measurement
 Code table
 0 2
#
 B02032 Indicator for digitization
 Code table
 0 1
#
 B02033 Method of salinity/depth measurement
 Code table
 0 1
#
 B02034 Drogue type
 Code table
 0 2
#
 B02035 Cable length
 m
 0 3
#
 B02036 Buoy type
 Code table
 0 1
#
 B02037 Method of tidal observation
 Code table
 0 1
#
 B02038 Method of water temperature and/or salinity measurement
 Code table
 0 2
#
 B02039 Method of wet-bulb temperature measurement
 Code table
 0 1
#
 B02040 Method of removing velocity and motion of platform from current
 Code table
 0 2
#
 B02041 Method for estimating reports related to synoptic features
 Code table
 0 2
#
 B02042 Indicator for sea surface current speed
 Code table
 0 1
#
 B02044 Indicator for method of calculating spectral wave data
 Code table
 0 2
#
 B02045 Indicator for type of platform
 Code table
 0 2
#
 B02046 Wave measurement instrumentation
 Code table
 0 2
#
 B02048 Satellite sensor indicator
 Code table
 0 2
#
 B02049 Geostationary satellite data-processing technique used
 Flag table
 0 3	8
#
 B02050 Geostationary sounder satellite channels used
 Flag table
 0 7	20
#
 B02051 Indicator to specify observing method for extreme temperatures
 Code table
 0 2
#
 B02052 Geostationary imager satellite channels used
 Flag table
 0 2	6
#
 B02053 GOES-I/M brightness temperature characteristics
 Code table
 0 2
#
 B02054 GOES-I/M soundings parameter characteristics
 Code table
 0 2
#
 B02055 Geostationary soundings statistical parameters
 Code table
 0 2
#
 B02056 Geostationary soundings accuracy statistics
 Code table
 0 2
#
 B02057 Origin of first guess information for GOES-I/M soundings
 Code table
 0 2
#
 B02058 Valid times of first guess information for GOES-I/M soundings
 Code table
 0 2
#
 B02059 Origin of analysis information for GOES-I/M soundings
 Code table
 0 2
#
 B02060 Origin of surface information for GOES-I/M soundings
 Code table
 0 2
#
 B02061 Aircraft navigational system
 Code table
 0 1
#
 B02062 Type of aircraft data relay system
 Code table
 0 2
#
 B02063 Aircraft roll angle
 Degree
 2 5
#
 B02064 Aircraft roll angle quality
 Code table
 0 1
#
 B02065 ACARS ground receiving station
 Character
 0 5
#
 B02066 Radiosonde ground receiving system
 Code table
 0 2
#
 B02067 Radiosonde operating frequency
 Hz
 -5 5
#
 B02070 Original specification of latitude/longitude
 Code table
 0 2
#
 B02071 Spectrographic wavelength
 m
 13 10
#
 B02080 Balloon manufacturer
 Code table
 0 2
#
 B02081 Type of balloon
 Code table
 0 2
#
 B02082 Weight of balloon
 kg
 3 4
#
 B02083 Type of balloon shelter
 Code table
 0 2
#
 B02084 Type of gas used in balloon
 Code table
 0 2
#
 B02085 Amount of gas used in balloon
 kg
 3 4
#
 B02086 Balloon flight train length
 m
 1 4
#
 B02091 Entry sensor 4/20 mA
 A
 4 3
#
 B02095 Type of pressure sensor
 Code table
 0 2
#
 B02096 Type of temperature sensor
 Code table
 0 2
#
 B02097 Type of humidity sensor
 Code table
 0 2
#
 B02099 Polarisation
 Code table
 0 1
#
 B02100 Radar constant*
 dB
 1 4
#
 B02101 Type of antenna
 Code table
 0 2
#
 B02102 Antenna height above tower base
 m
 0 3
#
 B02103 Radome
 Flag table
 0 1	2
#
 B02104 Antenna polarisation
 Code table
 0 2
#
 B02105 Maximum antenna gain
 dB
 0 2
#
 B02106 3-dB beamwidth
 Degree
 1 2
#
 B02107 Sidelobe suppression
 dB
 0 2
#
 B02108 Crosspol discrimination (on axis)
 dB
 0 2
#
 B02109 Antenna speed (azimuth)
 Degree s-1
 2 4
#
 B02110 Antenna speed (elevation)
 Degree s-1
 2 4
#
 B02111 Radar incidence angle
 Degree
 1 4
#
 B02112 Radar look angle
 Degree
 1 4
#
 B02113 Number of azimuth looks
 Numeric
 0 2
#
 B02114 Antenna effective surface area
 m2
 0 5
#
 B02115 Type of surface observing equipment
 Code table
 0 2
#
 B02116 Percentage of 320 MHZ band processed
 %
 0 3
#
 B02117 Percentage of 80 MHZ band processed
 %
 0 3
#
 B02118 Percentage of 20 MHZ band processed
 %
 0 3
#
 B02119 RA-2 instrument operations
 Code table
 0 1
#
 B02120 Ocean wave frequency
 Hz
 3 4
#
 B02121 Mean frequency
 Hz
 -8 3
#
 B02122 Frequency agility range
 Hz
 -6 3
#
 B02123 Peak power
 W
 -4 3
#
 B02124 Average power
 W
 -1 3
#
 B02125 Pulse repetition frequency
 Hz
 -1 3
#
 B02126 Pulse width
 s
 7 2
#
 B02127 Receiver intermediate frequency
 Hz
 -6 3
#
 B02128 Intermediate frequency bandwidth
 Hz
 -5 2
#
 B02129 Minimum detectable signal
 dB
 0 3
#
 B02130 Dynamic range
 dB
 0 3
#
 B02131 Sensitivity time control (STC)
 Flag table
 0 1	2
#
 B02132 Azimuth pointing accuracy
 Degree
 2 2
#
 B02133 Elevation pointing accuracy
 Degree
 2 2
#
 B02134 Antenna beam azimuth
 Degree
 2 5
#
 B02135 Antenna elevation
 Degree
 2 5
#
 B02136 Range processed by range attenuation correction
 m
 -3 5
#
 B02140 Satellite radar beam azimuth angle
 Degree
 0 3
#
 B02141 Measurement type
 Character
 0 3
#
 B02142 Ozone instrument serial number/ identification
 Character
 0 4
#
 B02143 Ozone instrument type
 Code table
 0 3
#
 B02144 Light source type for Brewer spectro photometer
 Code table
 0 2
#
 B02145 Wave length setting for Dobson instruments
 Code table
 0 2
#
 B02146 Source conditions for Dobson instruments
 Code table
 0 2
#
 B02148 Data collection and/or location system
 Code table
 0 2
#
 B02149 Type of data buoy
 Code table
 0 2
#
 B02150 TOVS/ATOVS/AVHRR instrumentation channel number
 Code table
 0 2
#
 B02151 Radiometer identifier
 Code table
 0 4
#
 B02152 Satellite instrument used in data processing(6)
 Flag table
 0 10	31
#
 B02153 Satellite channel centre frequency
 Hz
 -8 8
#
 B02154 Satellite channel band width
 Hz
 -8 8
#
 B02156 Percentage of valid KU ocean retracker measurements
 %
 0 3
#
 B02157 Percentage of valid S ocean retracker measurements
 %
 0 3
#
 B02158 RA-2 instrument
 Flag table
 0 3	9
#
 B02159 MWR instrument
 Flag table
 0 3	8
#
 B02160 Wave length of the radar
 Code table
 0 2
#
 B02163 Height assignment method
 Code table
 0 2
#
 B02164 Tracer correlation method
 Code table
 0 1
#
 B02166 Radiance type
 Code table
 0 2
#
 B02167 Radiance computational method
 Code table
 0 2
#
 B02168 Hydrostatic pressure of lower end of cable (thermistor string)
 KPa
 0 5
#
 B02169 Anemometer type
 Code table
 0 2
#
 B02172 Product type for retrieved atmospheric gases
 Code table
 0 3
#
 B02173 Square of the off nadir angle (7)
 Degree2
 4 4
#
 B02174 Mean across track pixel number
 Numeric
 0 3
#
 B02175 Method of precipitation measurement
 Code table
 0 2
#
 B02176 Method of state of ground measurement
 Code table
 0 2
#
 B02177 Method of snow depth measurement
 Code table
 0 2
#
 B02178 Method of liquid content measurement of precipitation
 Code table
 0 2
#
 B02179 Type of sky condition algorithm
 Code table
 0 2
#
 B02180 Main present weather detecting system
 Code table
 0 2
#
 B02181 Supplementary present weather sensor
 Flag table
 0 7	21
#
 B02182 Visibility measurement system
 Code table
 0 2
#
 B02183 Cloud detection system
 Code table
 0 2
#
 B02184 Type of lightning detection sensor
 Code table
 0 2
#
 B02185 Method of evaporation measurement
 Code table
 0 2
#
 B02186 Capability to detect precipitation phenomena
 Flag table
 0 10	30
#
 B02187 Capability to detect other weather phenomena
 Flag table
 0 6	18
#
 B02188 Capability to detect obscuration
 Flag table
 0 7	21
#
 B02189 Capability to discriminate lightning strikes
 Flag table
 0 4	12
#
 B02190 Lagrangian drifter submergence (% time submerged)
 %
 0 3
#

Class 04

#
 B04001 Year
 Year
 0 4
#
 B04002 Month
 Month
 0 2
#
 B04003 Day
 Day
 0 2
#
 B04004 Hour
 Hour
 0 2
#
 B04005 Minute
 Minute
 0 2
#
 B04006 Second
 Second
 0 2
#
 B04007 Seconds within a minute (microsecond accuracy)
 S
 6 8
#
 B04011 Time increment
 Year
 0 4
#
 B04012 Time increment
 Month
 0 4
#
 B04013 Time increment
 Day
 0 4
#
 B04014 Time increment
 Hour
 0 4
#
 B04015 Time increment
 Minute
 0 4
#
 B04016 Time increment
 Second
 0 4
#
 B04017 Reference time period for accumulated or extreme data
 Minute
 0 4
#
 B04021 Time period or displacement
 Year
 0 4
#
 B04022 Time period or displacement
 Month
 0 4
#
 B04023 Time period or displacement
 Day
 0 4
#
 B04024 Time period or displacement
 Hour
 0 4
#
 B04025 Time period or displacement
 Minute
 0 4
#
 B04026 Time period or displacement
 Second
 0 4
#
 B04031 Duration of time relating to following value
 Hour
 0 3
#
 B04032 Duration of time relating to following value
 Minute
 0 2
#
 B04041 Time difference, UTC -LMT (see Note 6)
 Minute
 0 4
#
 B04043 Day of the year
 Day
 0 3
#
 B04051 Principal time of daily reading of maximum temperature
 Hour
 0 2
#
 B04052 Principal time of daily reading of minimum temperature
 Hour
 0 2
#
 B04053 Number of days with precipitation equal to or more than 1 mm
 Numeric
 0 2
#
 B04059 Times of observation used to compute the reported mean values
 Flag table
 0 2	6
#
 B04065 Short time increment
 Minute
 0 2
#
 B04073 Short time period or displacement
 Day
 0 2
#
 B04074 Short time period or displacement
 Hour
 0 2
#
 B04075 Short time period or displacement
 Minute
 0 2
#
 B04080 Averaging period for following value
 Code table
 0 2
#
 B04086 Long time period or displacement
 Second
 0 5
#

Class 05

#
 B05001 Latitude (high accuracy)
 Degree
 5 7
#
 B05002 Latitude (coarse accuracy)
 Degree
 2 4
#
 B05011 Latitude increment (high accuracy)
 Degree
 5 7
#
 B05012 Latitude increment (coarse accuracy)
 Degree
 2 4
#
 B05015 Latitude displacement (high accuracy)
 Degree
 5 7
#
 B05016 Latitude displacement (coarse accuracy)
 Degree
 2 4
#
 B05021 Bearing or azimuth
 Degree true
 2 5
#
 B05022 Solar azimuth
 Degree true
 2 5
#
 B05023 Sun to satellite azimuth difference
 Degree
 1 4
#
 B05030 Direction (spectral)
 Degree
 0 4
#
 B05031 Row number
 Numeric
 0 4
#
 B05033 Pixel size on horizontal - 1
 m
 -1 5
#
 B05034 Along track row number
 Numeric
 0 4
#
 B05036 Ship transect number according to SOOP
 Numeric
 0 2
#
 B05040 Orbit number
 Numeric
 0 8
#
 B05041 Scan line number
 Numeric
 0 3
#
 B05042 Channel number
 Numeric
 0 2
#
 B05043 Field of view number
 Numeric
 0 3
#
 B05044 Satellite cycle number
 Numeric
 0 4
#
 B05052 Channel number increment
 Numeric
 0 2
#
 B05053 Field of view number increment
 Numeric
 0 2
#
 B05060 Y angular position from centre of gravity
 Degree
 6 8
#
 B05061 Z angular position from centre of gravity
 Degree
 6 8
#

Class 06

#
 B06001 Longitude (high accuracy)
 Degree
 5 8
#
 B06002 Longitude (coarse accuracy)
 Degree
 2 5
#
 B06011 Longitude increment (high accuracy)
 Degree
 5 8
#
 B06012 Longitude increment (coarse accuracy)
 Degree
 2 5
#
 B06015 Longitude displacement (high accuracy)
 Degree
 5 8
#
 B06016 Longitude displacement (coarse accuracy)
 Degree
 2 5
#
 B06021 Distance
 m
 -1 4
#
 B06030 Wave number (spectral)
 rad m-1
 5 4
#
 B06031 Column number
 Numeric
 0 4
#
 B06033 Pixel size on horizontal - 2
 m
 -1 5
#
 B06034 Cross-track cell number
 Numeric
 0 3
#
 B06040 Radius of confidence
 m
 0 4
#

Class 07

#
 B07001 Height of station (see Note 1)
 m
 0 5
#
 B07002 Height or altitude
 m
 -1 5
#
 B07003 Geopotential
 m2 s-2
 -1 6
#
 B07004 Pressure
 Pa
 -1 5
#
 B07005 Height increment
 m
 0 4
#
 B07006 Height above station
 m
 0 5
#
 B07007 Height
 m
 0 6
#
 B07008 Geopotential
 m2 s-2
 0 7
#
 B07009 Geopotential height
 gpm
 0 5
#
 B07010 Flight level
 ft
 -1 5
#
 B07012 Grid point altitude
 m
 2 7
#
 B07021 Elevation (see Note 2)
 Degree
 2 5
#
 B07022 Solar elevation
 Degree
 2 5
#
 B07024 Satellite zenith angle
 Degree
 2 5
#
 B07025 Solar zenith angle
 Degree
 2 5
#
 B07026 Satellite zenith angle
 Degree
 4 7
#
 B07030 Height of station ground above mean sea level (see Note 3)
 m
 1 5
#
 B07031 Height of barometer above mean sea level (see Note 4)
 m
 1 5
#
 B07032 Height of sensor above local ground (or deck of marine platform) (see Note 5)
 m
 2 5
#
 B07033 Height of sensor above water surface (see Note 6)
 m
 1 4
#
 B07040 Impact parameter (see Note 8)
 m
 1 8
#
 B07061 Depth below land surface
 m
 2 5
#
 B07062 Depth below sea/water surface
 m
 1 6
#
 B07063 Depth below sea/water surface (cm)
 m
 2 7
#
 B07064 Representative height of sensor above station (see Note 7)
 m
 0 2
#
 B07065 Water pressure
 Pa
 -3 6
#
 B07070 Drogue depth
 m
 0 4
#

Class 08

#
 B08001 Vertical sounding significance
 Flag table
 0 3	7
#
 B08002 Vertical significance (surface observations)
 Code table
 0 2
#
 B08003 Vertical significance (satellite observations)
 Code table
 0 2
#
 B08004 Phase of aircraft flight
 Code table
 0 1
#
 B08005 Meteorological attribute significance
 Code table
 0 2
#
 B08006 Ozone vertical sounding significance
 Flag table
 0 3	9
#
 B08007 Dimensional significance
 Code table
 0 2
#
 B08008 Radiation vertical sounding significance
 Flag table
 0 3	9
#
 B08009 Detailed phase of flight
 Code table
 0 2
#
 B08010 Surface qualifier (temperature data)
 Code table
 0 2
#
 B08011 Meteorological feature
 Code table
 0 2
#
 B08012 Land/sea qualifier
 Code table
 0 1
#
 B08013 Day/night qualifier
 Code table
 0 1
#
 B08014 Qualifier for runway visual range
 Code table
 0 2
#
 B08016 Change qualifier of a trend-type forecast or an aerodrome forecast
 Code table
 0 1
#
 B08017 Qualifier of the time when the forecast change is expected
 Code table
 0 1
#
 B08018 SEAWINDS land/ice surface type
 Flag table
 0 6	17
#
 B08019 Qualifier for following Centre identifier
 Code table
 0 2
#
 B08020 Total number of missing entities (with respect to accumulation or average)
 Numeric
 0 5
#
 B08021 Time significance
 Code table
 0 2
#
 B08022 Total number (with respect to accumulation or average)
 Numeric
 0 5
#
 B08023 First order statistics
 Code table
 0 2
#
 B08024 Difference statistics
 Code table
 0 2
#
 B08025 Time difference qualifier
 Code table
 0 2
#
 B08026 Matrix significance
 Code table
 0 2
#
 B08029 Remotely sensed surface type
 Code table
 0 3
#
 B08030 Manual on Codes (Volume I.1, Section C) Code table from which data are derived
 Numeric
 0 4
#
 B08031 Data category CREX table A
 Numeric
 0 3
#
 B08033 Method of derivation of percentage confidence
 Code table
 0 3
#
 B08035 Type of monitoring exercise
 Code table
 0 1
#
 B08036 Type of centre or station performing monitoring
 Code table
 0 1
#
 B08039 Time significance (Aviation forecast)
 Code table
 0 2
#
 B08040 Flight Level significance
 Code table
 0 2
#
 B08041 Data significance
 Code table
 0 2
#
 B08042 Extended vertical sounding significance
 Flag table
 0 6	18
#
 B08043 Atmospheric chemical or physical constituent type
 Code table
 0 3
#
 B08049 Number of observations
 Numeric
 0 3
#
 B08050 Qualifier for number of missing values in calculation of statistic
 Code table
 0 2
#
 B08051 Qualifier for number of missing values in calculation of statistic
 Code table
 0 1
#
 B08052 Condition for which number of days of occurrence follows
 Code table
 0 2
#
 B08053 Day of occurrence qualifier
 Code table
 0 1
#
 B08054 Qualifier for wind speed or wind gusts
 Code table
 0 1
#
 B08060 Sample scanning mode significance
 Code table
 0 2
#
 B08065 Sun-glint indicator
 Code table
 0 1
#
 B08066 Semi-transparency indicator
 Code table
 0 1
#
 B08070 TOVS/ATOVS product qualifier
 Code table
 0 2
#
 B08072 Pixel(s) type
 Code table
 0 1
#
 B08074 Altimeter echo type
 Code table
 0 1
#
 B08075 Ascending/Descending Orbit Qualifier
 Code table
 0 1
#
 B08076 Type of band
 Code table
 0 2
#
 B08077 Radiometer sensed surface type
 Code table
 0 3
#
 B08079 Product status
 Code table
 0 2
#
 B08080 Qualifier for GTSPP quality flag
 Code table
 0 2
#
 B08081 Type of equipment
 Code table
 0 2
#
 B08082 Modification of sensor height to another value
 Code table
 0 1
#
 B08083 Nominal value indicator
 Flag table
 0 5	15
#
 B08085 Beam identifier
 Code table
 0 1
#
 B08090 Decimal scale of following significands 
 Numeric
 0 3
#

Class 10

#
 B10001 Height of land surface
 m
 0 5
#
 B10002 Height
 m
 -1 5
#
 B10003 Geopotential
 m2 s-2
 -1 6
#
 B10004 Pressure
 Pa
 -1 5
#
 B10007 Height
 m
 0 6
#
 B10008 Geopotential
 m2 s-2
 0 7
#
 B10009 Geopotential height
 gpm
 0 5
#
 B10010 Minimum pressure reduced to mean sea level
 Pa
 -1 5
#
 B10011 Maximum pressure reduced to mean sea level
 Pa
 -1 5
#
 B10031 In direction of the North Pole, distance from the Earth's centre
 m
 2 10
#
 B10032 Satellite distance to Earth's centre
 m
 2 9
#
 B10033 Altitude (platform to Ellipsoid)
 m
 2 9
#
 B10034 Earth radius
 m
 2 9
#
 B10035 Earth's local radius of curvature
 m
 1 8
#
 B10036 Geoid undulation (see Note 4)
 m
 2 6
#
 B10040 Number of retrieved layers
 Numeric
 0 4
#
 B10050 Standard deviation altitude
 m
 2 5
#
 B10051 Pressure reduced to mean sea level
 Pa
 -1 5
#
 B10052 Altimeter setting (QNH)
 Pa
 -1 5
#
 B10060 Pressure change
 Pa
 -1 4
#
 B10061 3-hour pressure change
 Pa
 -1 4
#
 B10062 24-hour pressure change
 Pa
 -1 4
#
 B10063 Characteristic of pressure tendency
 Code table
 0 2
#
 B10064 SIGMET cruising level
 Code table
 0 1
#
 B10070 Indicated aircraft altitude
 m
 0 5
#
 B10080 Viewing Zenith angle
 Degree
 2 5
#
 B10081 Altitude of COG above reference Ellipsoid
 m
 3 10
#
 B10082 Instantaneous altitude rate
 ms-1
 3 6
#
# Previous definition of B10083 and B10084:
#
# B10083 Off Nadir angle of the satellite from platform data
# Degree
# 2 6
#
# B10084 Off Nadir angle of the satellite from waveform data
# Degree
# 2 6
#
 B10083 Squared off Nadir angle of the satellite from platform data
 Degree^2
 2 5
#
 B10084 Squared off Nadir angle of the satellite from waveform data
 Degree^2
 2 5
#
 B10085 Mean sea surface height
 m
 3 6
#
 B10086 Geoid's height
 m
 3 6
#
 B10087 Ocean depth/land elevation
 m
 3 6
#
 B10088 Total geocentric ocean tide height solution 1
 m
 3 5
#
 B10089 Total geocentric ocean tide height solution 2
 m
 3 5
#
 B10090 Long period  tide height
 m
 3 5
#
 B10091 Tidal loading height
 m
 3 5
#
 B10092 Solid Earth tide height
 m
 3 5
#
 B10093 Geocentric pole tide height
 m
 3 5
#
 B10095 Height of atmosphere used
 m
 0 5
#
 B10096 Mean dynamic topography 
 m
 3 6
#
 B10097 Mean sea surface height from altimeter only
 m
 3 6
#
 B10098 Loading tide height geocentric ocean tide solution 1
 m
 4 4
#
 B10099 Loading tide height geocentric ocean tide solution 2
 m
 4 4
#
 B10100 Non-equilibrium long period tide height
 m
 4 4
#
 B10101 Squared off nadir angle of the satellite from waveform data
 Degree
 2 5
#

Class 11

#
 B11001 Wind direction
 Degree true
 0 3
#
 B11002 Wind speed
 m s-1
 1 4
#
 B11003 u-component
 m s-1
 1 4
#
 B11004 v-component
 m s-1
 1 4
#
 B11005 w-component
 Pa s-1
 1 4
#
 B11006 w-component
 m s-1
 2 4
#
 B11010 Wind direction associated with wind speed which follows
 Degree true
 0 3
#
 B11011 Wind direction at 10 m
 Degree true
 0 3
#
 B11012 Wind speed at 10 m
 m s-1
 1 4
#
 B11013 Wind direction at 5 m
 Degree true
 0 3
#
 B11014 Wind speed at 5 m
 m s-1
 1 4
#
 B11016 Extreme counterclockwise wind direction of a variable wind
 Degree true
 0 3
#
 B11017 Extreme clockwise wind direction of a variable wind
 Degree true
 0 3
#
 B11019 Steadiness of wind (6)
 %
 0 3
#
 B11021 Relative vorticity
 s-1
 9 6
#
 B11022 Divergence
 s-1
 9 6
#
 B11023 Velocity potential
 m2 s-1
 -2 6
#
 B11030 Extended degree of turbulence
 Code table
 0 2
#
 B11031 Degree of turbulence
 Code table
 0 2
#
 B11032 Height of base of turbulence
 m
 -1 5
#
 B11033 Height of top of turbulence
 m
 -1 5
#
 B11034 Vertical gust velocity
 m s-1
 1 4
#
 B11035 Vertical gust acceleration
 m s-2
 2 5
#
 B11036 Maximum derived equivalent vertical gust speed
 m s-1
 1 4
#
 B11037 Turbulence Index
 Code table
 0 2
#
 B11038 Time of occurrence of Peak Eddy Dissipation Rate
 Code table
 0 2
#
 B11039 Extended time of occurrence of peak  Eddy Dissipation Rate
 Code table
 0 2
#
 B11040 Maximum wind speed (mean wind)
 m s-1
 1 4
#
 B11041 Maximum wind gust speed
 m s-1
 1 4
#
 B11042 Maximum wind speed (10-min mean wind)
 m s-1
 1 4
#
 B11043 Maximum wind gust direction
 Degree true
 0 3
#
 B11044 Mean wind direction for surface - 1500 m (5000 feet)
 Degree true
 0 3
#
 B11045 Mean wind speed for surface - 1500 m (5000 feet)
 m s-1
 1 4
#
 B11046 Maximum instantaneous wind speed
 m s-1
 1 4
#
 B11047 Maximum instantaneous wind speed over 10 minutes
 m s-1
 1 4
#
 B11049 Standard deviation of wind direction
 Degree true
 0 3
#
 B11050 Standard deviation of horizontal wind speed
 m s-1
 1 4
#
 B11051 Standard deviation of vertical wind speed
 m s-1
 1 3
#
 B11052 Formal uncertainty in wind speed
 m s-1
 2 5
#
 B11053 Formal uncertainty in wind direction
 Degree true
 2 5
#
 B11054 Mean wind direction for 1500 m - 3000 m
 Degree true
 0 3
#
 B11055 Mean wind speed for 1500 m - 3000 m
 m s-1
 1 4
#
 B11061 Absolute wind shear in 1 km layer below
 m s-1
 1 4
#
 B11062 Absolute wind shear in 1 km layer above
 m s-1
 1 4
#
 B11070 Designator of the runway affected by wind shear (including ALL)
 Character
 0 4
#
 B11071 Turbulent vertical momentum flux
 m2 s-2
 3 5
#
 B11072 Turbulent vertical buoyancy flux
 K m s-1
 3 4
#
 B11073 Turbulent kinetic energy
 m2 s-2
 2 4
#
 B11074 Dissipation energy
 m2 s-2
 2 4
#
 B11075 Mean turbulence intensity (eddy dissipation rate)
 m2/3 s-1
 2 3
#
 B11076 Peak turbulence intensity (eddy dissipation rate)
 m2/3 s-1
 2 3
#
 B11077 Reporting interval or averaging time for Eddy Dissipation Rate
 s
 0 4
#
 B11081 Model wind direction at 10m
 Degree true
 2 5
#
 B11082 Model wind speed at 10m
 m s-1
 2 4
#
 B11083 Wind speed
 km h-1
 0 3
#
 B11084 Wind speed
 knot
 0 3
#
 B11085 Maximum wind gust speed
 km h-1
 0 3
#
 B11086 Maximum wind gust speed
 knot
 0 3
#
 B11095 U component of the model wind vector
 m s-1
 1 4
#
 B11096 V component of the model wind vector
 m s-1
 1 4
#
 B11097 Wind speed from altimeter
 m s-1
 2 4
#
 B11098 Wind speed from radiometer
 m s-1
 2 4
#

Class 12

#
 B12001 Temperature/dry-bulb temperature
 °C
 1 3
#
 B12002 Wet-bulb temperature
 °C
 1 3
#
 B12003 Dew-point temperature
 °C
 1 3
#
 B12004 Dry-bulb temperature at 2 m
 °C
 1 3
#
 B12005 Wet-bulb temperature at 2 m
 °C
 1 3
#
 B12006 Dew-point temperature at 2 m
 °C
 1 3
#
 B12007 Virtual temperature
 °C
 1 3
#
 B12011 Maximum temperature, at height and over period specified
 °C
 1 3
#
 B12012 Minimum temperature, at height and over period specified
 °C
 1 3
#
 B12013 Ground minimum temperature, past 12 hours
 °C
 1 3
#
 B12014 Maximum temperature at 2 m, past 12 hours
 °C
 1 3
#
 B12015 Minimum temperature at 2 m, past 12 hours
 °C
 1 3
#
 B12016 Maximum temperature at 2 m, past 24 hours
 °C
 1 3
#
 B12017 Minimum temperature at 2 m, past 24 hours
 °C
 1 3
#
 B12021 Maximum temperature at 2m
 °C
 2 4
#
 B12022 Minimum temperature at 2m
 °C
 2 4
#
 B12023 Temperature
 °C
 0 2
#
 B12024 Dew point temperature
 °C 
 0 2
#
 B12030 Soil temperature
 °C
 1 3
#
 B12049 Temperature change over specified period
 °C
 0 2
#
 B12051 Standard deviation temperature
 °C
 1 3
#
 B12052 Highest daily mean temperature
 °C
 1 3
#
 B12053 Lowest daily mean temperature
 °C
 1 3
#
 B12061 Skin temperature
 °C
 1 3
#
 B12062 Equivalent black body temperature
 °C
 1 3
#
 B12063 Brightness temperature
 °C
 1 3
#
 B12064 Instrument temperature
 K
 1 4
#
 B12065 Standard deviation brightness temperature
 K
 1 4
#
 B12070 Warm load temperature
 K
 2 5
#
 B12071 Coldest cluster temperature
 K
 1 4
#
 B12072 Radiance
 W m-2sr-1
 6 9
#
 B12075 Spectral radiance
 W m-3sr-1
 -3 5
#
 B12076 Radiance
 W m-2sr-1
 3 5
#
 B12080 Brightness temperature real part
 K
 2 5
#
 B12081 Brightness temperature imaginary part
 K
 2 5
#
 B12082 Pixel radiometric accuracy
 K
 2 4
#
 B12101 Temperature/dry-bulb temperature
 °C
 2 4
#
 B12102 Wet-bulb temperature
 °C
 2 4
#
 B12103 Dew-point temperature
 °C
 2 4
#
 B12104 Dry-bulb temperature at 2m
 °C
 2 4
#
 B12105 Web-bulb temperature at 2m
 °C
 2 4
#
 B12106 Dew-point temperature at 2m
 °C
 2 4
#
 B12107 Virtual temperature
 °C
 2 4
#
 B12111 Maximum temperature, at height and over period specified
 °C
 2 4
#
 B12112 Minimum temperature, at height and over period specified
 °C
 2 4
#
 B12113 Ground minimum temperature, past 12 hours
 °C
 2 4
#
 B12114 Maximum temperature at 2m, past 12 hours
 °C
 2 4
#
 B12115 Minimum temperature at 2m, past 12 hours
 °C
 2 4
#
 B12116 Maximum temperature at 2m, past 24 hours
 °C
 2 4
#
 B12117 Minimum temperature at 2m, past 24 hours
 °C
 2 4
#
 B12118 Maximum temperature at height specified, past 24 hours
 °C
 2 4
#
 B12119 Minimum  temperature at height specified, past 24 hours
 °C
 2 4
#
 B12121 Ground minimum temperature
 °C
 2 4
#
 B12122 Ground minimum temperature of the preceding night
 °C
 2 4
#
 B12130 Soil temperature
 °C
 2 4
#
 B12151 Standard deviation of daily mean temperature
 °C
 2 4
#
 B12152 Highest daily mean temperature
 °C
 2 4
#
 B12153 Lowest daily mean temperature
 °C
 2 4
#
 B12161 Skin temperature
 °C
 2 4
#
 B12162 Equivalent black body temperature
 °C
 2 4
#
 B12163 Brightness temperature
 °C
 2 4
#
 B12164 Instrument temperature
 K
 2 5
#
 B12165 Direct sun brightness temperature
 K
 0 7
#
 B12166 Snapshot accuracy
 K
 1 4
#
 B12167 Radiometric accuracy (pure polarisation)
 K
 1 3
#
 B12168 Radiometric accuracy (cross polarisation)
 K
 1 3
#
 B12171 Coldest cluster temperature
 K
 2 5
#
 B12180 Averaged 12 micron BT for all clear pixels at Nadir
 K
 2 5
#
 B12181 Averaged 11 micron BT for all clear pixels at Nadir
 K
 2 5
#
 B12182 Averaged 3.7 micron BT for all clear pixels at Nadir
 K
 2 5
#
 B12183 Averaged 12 micron BT for all clear pixels, forward view
 K
 2 5
#
 B12184 Averaged 11 micron BT for all clear pixels, forward view
 K
 2 5
#
 B12185 Averaged 3.7 micron BT for all clear pixels, forward view
 K
 2 5
#
 B12186 Mean Nadir sea surface temperature
 K
 2 5
#
 B12187 Mean dual view sea surface temperature
 K
 2 5
#
 B12188 Interpolated 23.8 GHz brightness T from MWR
 K
 2 5
#
 B12189 Interpolated 36.5 GHz brightness T from MWR
 K
 2 5
#

Class 13

#
 B13001 Specific humidity
 kg kg-1
 5 5
#
 B13002 Mixing ratio
 kg kg-1
 5 5
#
 B13003 Relative humidity
 %
 0 3
#
 B13004 Vapour pressure
 Pa
 -1 4
#
 B13005 Vapour density
 kg m-3
 3 3
#
 B13006 Mixing heights
 m
 -1 5
#
 B13007 Minimum relative humidity
 %
 0 3
#
 B13008 Maximum relative humidity
 %
 0 3
#
 B13009 Relative humidity
 %
 1 4
#
 B13011 Total precipitation/total water equivalent
 kg m-2
 1 5
#
 B13012 Depth of fresh snow
 m
 2 4
#
 B13013 Total snow depth
 m
 2 5
#
 B13014 Rainfall/water equivalent of snow (averaged rate)
 kg m-2 s-1
 4 4
#
 B13015 Snowfall  (averaged rate)
 m s-1
 7 4
#
 B13016 Precipitable water
 kg m-2
 0 3
#
 B13019 Total precipitation past 1 hour
 kg m-2
 1 4
#
 B13020 Total precipitation past 3 hours
 kg m-2
 1 5
#
 B13021 Total precipitation past 6 hours
 kg m-2
 1 5
#
 B13022 Total precipitation past 12 hours
 kg m-2
 1 5
#
 B13023 Total precipitation past 24 hours
 kg m-2
 1 5
#
 B13031 Evapotranspiration
 kg m-2
 0 3
#
 B13032 Evaporation/evapotranspiration
 kg m-2
 1 3
#
 B13033 Evaporation/evapotranspiration
 kg m-2
 1 4
#
 B13038 Superadiabatic indicator
 Code table
 0 1
#
 B13039 Terrain type (ice/snow)
 Code table
 0 1
#
 B13040 Surface flag
 Code table
 0 2
#
 B13041 Pasquill-Gifford stability category
 Code table
 0 2
#
 B13042 Parcel lifted index (to 500 hPa)
 K
 0 2
#
 B13043 Best lifted index (to 500 hPa)
 K
 0 2
#
 B13044 K index
 K
 0 3
#
 B13045 KO index
 K
 0 3
#
 B13046 Maximum buoyancy
 K
 0 3
#
 B13047 Modified Showalter stability index (see Note 7)
 °C
 0 2
#
 B13048 Water fraction
 %
 1 4
#
 B13051 Frequency group, precipitation
 Code table
 0 2
#
 B13052 Highest daily amount of precipitation
 kg m-2
 1 5
#
 B13055 Intensity of precipitation
 mm h-1
 1 4
#
 B13056 Character and intensity of precipitation
 Code table
 0 2
#
 B13057 Time of beginning or end of precipitation
 Code table
 0 2
#
 B13058 Size of precipitating element
 mm
 1 3
#
 B13059 Number of flashes (thunderstorm)
 Numeric
 0 3
#
 B13060 Total accumulated precipitation
 kg m-2
 1 5
#
 B13071 Upstream water level
 m
 2 4
#
 B13072 Downstream water level
 m
 2 4
#
 B13073 Maximum water level
 m
 2 4
#
 B13080 Water pH
 pH unit
 1 3
#
 B13081 Water conductivity
 S m-1
 3 4
#
 B13082 Water temperature
 K
 1 4
#
 B13083 Dissolved oxygen
 kg m-3
 6 5
#
 B13084 Turbidity
 Lumen
 0 4
#
 B13085 Oxydation Reduction Potential (ORP)
 V
 3 4
#
 B13090 Radiometer water vapour content
 kg m-2
 1 4
#
 B13091 Radiometer liquid content
 kg m-2
 2 3
#
 B13093 Cloud optical thickness
 Numeric
 0 3
#
 B13095 Total column water vapour
 kg m-2
 4 6
#
 B13096 MWR water vapour content
 kg m-2
 2 5
#
 B13097 MWR liquid water content
 kg m-2
 2 5
#
 B13098 Integrated water vapour density
 kg m-2
 8 10
#
 B13155 Intensity of precipitation (high accuracy)
 mm h-1
 1 5
#

Class 14

# 1...14 CHANGED FROM VERSION 13!!!!
#
 B14001 Long-wave radiation, integrated over 24 hours
 J m-2
 -3 5
# -3 4
#
 B14002 Long-wave radiation, integrated over period specified
 J m-2
 -3 5
# -3 4
#
 B14003 Short-wave radiation, integrated over 24 hours
 J m-2
 -3 5
# -3 4
#
 B14004 Short-wave radiation, integrated over period specified
 J m-2
 -3 5
# -3 4
#
 B14011 Net long-wave radiation, integrated over 24 hours
 J m-2
 -3 5
# -3 4
#
 B14012 Net long-wave radiation, integrated over period specified
 J m-2
 -3 5
# -3 4
#
 B14013 Net short-wave radiation, integrated over 24 hours
 J m-2
 -3 5
# -3 4
#
 B14014 Net short-wave radiation, integrated over period specified
 J m-2
 -3 5
# -3 4
#
 B14015 Net radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14016 Net radiation, integrated over period specified
 J m-2
 -4 5
#
 B14017 Instantaneous long-wave radiation (see Note 6)
 W m-2
 0 4
# -3 4
#
 B14018 Instantaneous short-wave radiation (see Note 6)
 W m-2
 0 4
# -3 4
#
 B14019 Surface albedo
 %
 0 3
#
 B14020 Global solar radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14021 Global solar radiation, integrated over period specified
 J m-2
 -4 5
#
 B14022 Diffuse solar radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14023 Diffuse solar radiation, integrated over period specified
 J m-2
 -4 5
#
 B14024 Direct solar radiation, integrated over 24 hours
 J m-2
 -4 5
#
 B14025 Direct solar radiation, integrated over period specified
 J m-2
 -4 5
#
 B14026 Albedo at the top of clouds
 %
 0 3
#
 B14027 Albedo
 %
 0 3
#
 B14028 Global solar radiation (high accuracy), integrated over period specified
 J m-2
 -2 6
# -2 5
#
 B14029 Diffuse solar radiation (high accuracy), integrated over period specified
 J m-2
 -2 6
# -2 5
#
 B14030 Direct solar radiation (high accuracy), integrated over period specified
 J m-2
 -2 6
# -2 5
#
 B14031 Total sunshine
 Minute
 0 4
#
 B14032 Total sunshine
 Hour
 0 4
#
 B14033 Total sunshine
 %
 0 3
#
 B14034 Sunshine over period specified
 Minute
 0 4
#
 B14035 Solar Radiation Flux
 W m-2
 1 5
#
 B14042 Bi-directional reflectance
 %
 0 3
#
 B14045 Channel radiance
 Wm-2sr-1cm-1
 0 4
#
 B14046 Scaled IASI radiance (see note 6)
 Wm-2sr-1m-1
 0 5
#
 B14047 Scaled mean AVHRR radiance
 Wm-2sr-1m-1
 0 10
#
 B14048 Scaled standard deviation AVHRR radiance
 Wm-2sr-1m-1
 0 10
#
 B14050 Emissivity (see note 5)
 %
 1 4
#
 B14051 Direct solar radiation integrated over last hour
 Jm-2
 -3 4
#
 B14055 Solar activity index
 Numeric
 0 5
#

Class 15

#
 B15001 Total ozone
 DU
 0 4
#
 B15002 Air mass (slant path at 22 km)
 Numeric
 2 3
#
 B15003 Measured ozone partial pressure (sounding)
 nbar
 0 3
#
 B15004 Ozone sounding correction factor
 Numeric
 3 4
#
 B15005 Ozone p
 DU
 0 3
#
 B15008 Significand of volumetric mixing ratio
 Numeric
 0 4
#
 B15011 Log 10 of integrated electron density
 log (m-2)
 3 4
#
 B15012 Total electron count per square metre
 1/m2
 -16 2
#
 B15015 Maximum image spectral component before normalization
 Numeric
 0 10
#
 B15020 Integrated 03 density
 Kg m-2
 8 7
#
 B15021 Integrated mass density
 kg m-2
 11 10
#
 B15024 Optical depth
 Numeric
 4 8
#
 B15025 Type of pollutant
 Code table
 0 2
#
 B15026 Concentration of pollutant
 molmol-1
 9 3
#
 B15027 Concentration of pollutant (kg m-3)
 kg m-3
 9 4
#
 B15030 Aerosol contamination index (see Note 6)
 Numeric
 2 4
#
 B15031 Atmospheric path delay in satellite signal
 m
 4 5
#
 B15032 Estimated error in atmospheric path delay
 m
 4 4
#
 B15033 Difference in path delays for limb views at extremes of scan
 m
 5 5
#
 B15034 Estimated error in path delay difference
 m
 5 5
#
 B15035 Component of zenith path delay due to water vapour
 m
 4 5
#
 B15036 Atmospheric refractivity (see Note 5)
 N-units
 3 6
#
 B15037 Bending angle
 Radians
 8 7
#

Class 19

#
 B19001 Type of synoptic feature
 Code table
 0 2
#
 B19002 Effective radius of feature
 m
 -2 4
#
 B19003 Wind speed threshold
 m s-1
 0 3
#
 B19004 Effective radius with respect to wind speeds above threshold
 m
 -2 4
#
 B19005 Direction of motion of feature
 Degree true
 0 3
#
 B19006 Speed of motion of feature
 m s-1
 2 5
#
 B19007 Effective radius of feature
 m
 -3 4
#
 B19008 Vertical extent of circulation
 Code table
 0 1
#
 B19009 Effective radius with respect to wind speeds above threshold (large storms)
 m
 -3 4
#
 B19010 Method for tracking the centre of synoptic feature
 Code table
 0 2
#
 B19100 Time interval to calculate the movement of the tropical cyclone
 Code table
 0 2
#
 B19101 Accuracy of the position of the centre of the tropical cyclone
 Code table
 0 2
#
 B19102 Shape and definition of the eye of the tropical cyclone
 Code table
 0 1
#
 B19103 Diameter of major axis of the eye of the tropical cyclone
 Code table
 0 2
#
 B19104 Change in character of the eye during the 30 minutes
 Code table
 0 2
#
 B19105 Distance between the end of spiral band and the centre
 Code table
 0 2
#
 B19106 Identification number of tropical cyclone
 Numeric
 0 3
#
 B19107 Time interval over which the movement of the tropical cyclone has been calculated
 Code table
 0 2
#
 B19108 Accuracy of geographical position of the tropical cyclone
 Code table
 0 1
#
 B19109 Mean diameter of the overcast cloud of the tropical cyclone
 Code table
 0 2
#
 B19110 Apparent 24-hour change in intensity of the tropical cyclone
 Code table
 0 2
#
 B19111 Current Intensity (CI) number of the tropical cyclone
 Numeric
 1 3
#
 B19112 Data Tropical (DT) number of the tropical cyclone
 Numeric
 1 3
#
 B19113 Cloud pattern type of the DT-number
 Code table
 0 2
#
 B19114 Model Expected Tropical (MET) number of the tropical cyclone
 Numeric
 1 3
#
 B19115 Trend of the past 24-hour change (+: Developed, -: Weakened)
 Numeric
 1 2
#
 B19116 Pattern Tropical (PT) number of the tropical cyclone
 Numeric
 1 3
#
 B19117 Cloud picture type of the PT-number
 Code table
 0 1
#
 B19118 Final Tropical (T) number of the tropical cyclone
 Numeric
 1 3
#
 B19119 Type of the final T-number
 Code table
 0 1
#
 B19150 Typhoon International Common Number (Typhoon Committee)
 Character
 0 4
#

Class 20

#
 B20001 Horizontal visibility
 m
 -1 4
#
 B20002 Vertical visibility
 m
 -1 3
#
 B20003 Present weather (see note 1)
 Code table
 0 3
#
 B20004 Past weather (1) (see note 2)
 Code table
 0 2
#
 B20005 Past weather (2) (see note 2)
 Code table
 0 2
#
 B20006 Flight Rules
 Code table
 0 1
#
 B20008 Cloud distribution for aviation
 Code table
 0 2
#
 B20009 General Weather Indicator (TAF/METAR)
 Code table
 0 2
#
 B20010 Cloud cover (total) (see note 5)
 %
 0 3
#
 B20011 Cloud amount
 Code table
 0 2
#
 B20012 Cloud type
 Code table
 0 2
#
 B20013 Height of base of cloud
 m
 -1 4
#
 B20014 Height of top of cloud
 m
 -1 4
#
 B20015 Pressure at base of cloud
 Pa
 -1 5
#
 B20016 Pressure at top of cloud
 Pa
 -1 5
#
 B20017 Cloud top description
 Code table
 0 2
#
 B20018 Tendency of runway visual range
 Code table
 0 1
#
 B20019 Significant present or forecast weather
 Character
 0 9
#
 B20020 Significant recent weather phenomena
 Character
 0 4
#
 B20021 Type of precipitation
 Flag table
 0 10	30
#
 B20022 Character of precipitation
 Code table
 0 2
#
 B20023 Other weather phenomena
 Flag table
 0 6	18
#
 B20024 Intensity of phenomena
 Code table
 0 1
#
 B20025 Obscuration
 Flag table
 0 7	21
#
 B20026 Character of obscuration
 Code table
 0 2
#
 B20027 Phenomena occurrence
 Flag table
 0 3	9
#
 B20028 Expected change in intensity
 Code table
 0 1
#
 B20029 Rain flag
 Code table
 0 1
#
 B20031 Ice deposit (thickness)
 m
 2 3
#
 B20032 Rate of ice accretion
 Code table
 0 1
#
 B20033 Cause of ice accretion
 Flag table
 0 2	4
#
 B20034 Sea ice concentration
 Code table
 0 2
#
 B20035 Amount and type of ice
 Code table
 0 2
#
 B20036 Ice situation
 Code table
 0 2
#
 B20037 Ice development
 Code table
 0 2
#
 B20038 Bearing of ice edge (see note 3)
 Degree true
 0 3
#
 B20039 Ice distance
 m
 -1 4
#
 B20040 Evolution of drift snow
 Code table
 0 2
#
 B20041 Airframe icing
 Code table
 0 2
#
 B20042 Airframe icing present
 Code table
 0 1
#
 B20043 Peak liquid water content
 kg m-3
 4 2
#
 B20044 Average liquid water content
 kg m-3
 4 2
#
 B20045 Supercooled large droplet (SLD) conditions
 Code table
 0 2
#
 B20048 Evolution of feature
 Code table
 0 2
#
 B20050 Cloud index
 Code table
 0 3
#
 B20051 Amount of low clouds
 %
 0 3
#
 B20052 Amount of middle clouds
 %
 0 3
#
 B20053 Amount of high clouds
 %
 0 3
#
 B20054 True direction from which a phenomenon or clouds are moving
 Degree true
 0 3
#
 B20055 State of sky in the tropics
 Code table
 0 2
#
 B20056 Cloud phase
 Code table
 0 1
#
 B20058 Visibility seawards from a coastal station
 m
 -1 4
#
 B20059 Minimum horizontal visibility
 m
 -1 3
#
 B20060 Prevailing horizontal visibility (see Note 7)
 m
 -1 4
#
 B20061 Runway visual range (RVR)
 m
 0 4
#
 B20062 State of the ground (with or without snow)
 Code table
 0 2
#
 B20063 Special phenomena
 Code table
 0 4
#
 B20065 Snow cover (see note 4)
 %
 0 3
#
 B20066 Maximum diameter of hailstones
 m
 3 3
#
 B20067 Diameter of deposit
 m
 3 3
#
 B20070 Minimum number of atmospherics
 Numeric
 0 3
#
 B20071 Accuracy of fix and rate of atmospherics
 Code table
 0 2
#
 B20081 Cloud amount in segment
 %
 0 3
#
 B20082 Amount segment cloud free
 %
 0 3
#
 B20083 Amount of segment covered by scene
 %
 0 3
#
 B20085 General condition of runway
 Code table
 0 1
#
 B20086 Runway deposits
 Code table
 0 1
#
 B20087 Runway contamination
 Code table
 0 1
#
 B20088 Depth of runway deposits
 m
 0 4
#
 B20089 Runway friction coefficient
 Code table
 0 2
#
 B20090 Special clouds
 Code table
 0 2
#
 B20091 Vertical visibility
 Foot
 -2 3
#
 B20092 Height of base of cloud
 Foot
 -2 3
#
 B20095 Ice probability
 Numeric
 3 4
#
 B20096 Ice age ("A" parameter)
 dB
 2 4
#
 B20101 Locust (acridian) name
 Code table
 0 2
#
 B20102 Locust (maturity) color
 Code table
 0 2
#
 B20103 Stage of development of locusts
 Code table
 0 2
#
 B20104 Organization state of swarm or band of locusts
 Code table
 0 2
#
 B20105 Size of swarm or band of locusts and duration of passage of swarm
 Code table
 0 2
#
 B20106 Locust population density
 Code table
 0 2
#
 B20107 Direction of movements of locust swarm
 Code table
 0 2
#
 B20108 Extent of vegetation
 Code table
 0 2
#

Class 21

#
 B21001 Horizontal reflectivity
 dB
 0 3
#
 B21002 Vertical reflectivity
 dB
 0 3
#
 B21003 Differential reflectivity
 dB
 1 3
#
 B21005 Linear depolarisation ratio
 dB
 0 2
#
 B21006 Circular depolarisation ratio
 dB
 0 2
#
 B21011 Doppler mean velocity in X-direction
 m s-1
 0 3
#
 B21012 Doppler mean velocity in Y-direction
 m s-1
 0 3
#
 B21013 Doppler mean velocity in Z-direction
 m s-1
 0 3
#
 B21014 Doppler mean velocity (radial)
 m s-1
 1 4
#
 B21017 Doppler velocity spectral width
 m s-1
 1 3
#
 B21021 Echo tops
 m
 -3 2
#
 B21030 Signal to noise ratio
 dB
 0 3
#
 B21031 Vertically integrated liquid-water content
 kg m-2
 0 3
#
 B21036 Radar rainfall intensity
 m s-1
 7 4
#
 B21041 Bright-band height
 m
 -2 3
#
 B21051 Signal power above 1 mW
 dB
 0 3
#
 B21062 Backscatter
 dB
 2 4
#
 B21063 Radiometric resolution (noise value)
 %
 1 4
#
 B21064 Clutter noise estimate
 Numeric
 0 3
#
 B21065 Missing packet counter
 Numeric
 0 3
#
 B21066 Wave scatterometer product confidence data
 Flag table
 0 4	12
#
 B21067 Wind product confidence data
 Flag table
 0 5	13
#
 B21068 Radar altimeter product confidence data
 Flag table
 0 3	8
#
 B21069 SST product confidence data
 Flag table
 0 4	10
#
 B21070 SST product confidence data (SADIST-2)
 Flag table
 0 6	23
#
 B21071 Peakiness
 Numeric
 0 5
#
 B21072 Satellite altimeter calibration status
 Flag table
 0 2	4
#
 B21073 Satelllite altimeter instrument mode
 Flag table
 0 3	9
#
 B21075 Image spectrum intensity
 Numeric
 0 3
#
 B21076 Representation of intensities
 Code table
 0 1
#
 B21077 Altitude correction (ionosphere)
 m
 3 5
#
 B21078 Altitude correction (dry troposphere)
 m
 3 3
#
 B21079 Altitude correction (wet troposphere)
 m
 3 4
#
 B21080 Altitude correction (calibration constant)
 m
 3 4
#
 B21081 Open loop correction (height-time loop)
 m
 3 4
#
 B21082 Open loop correction (auto gain control)
 dB
 3 5
#
 B21083 Warm target calibration
 Numeric
 0 5
#
 B21084 Cold target calibration
 Numeric
 0 5
#
 B21085 ATSR sea surface temperature across- track band number
 Numeric
 0 2
#
 B21086 Number of pixels in Nadir only, average
 Numeric
 0 3
#
 B21087 Number of pixels in dual view, average
 Numeric
 0 3
#
 B21088 Wet backscatter
 dB
 2 4
#
 B21091 Radar signal Doppler spectrum 0th moment
 dB
 0 3
#
 B21092 RASS signal Doppler spectrum 0th moment, referring to RASS signal
 dB
 0 3
#
 B21093 Ku band peakiness
 Numeric
 3 5
#
 B21094 S band peakiness
 Numeric
 3 5
#
 B21101 Number of vector ambiguities
 Numeric
 0 1
#
 B21102 Index of selected wind vector
 Numeric
 0 1
#
 B21103 Total number of sigma-0 measurements
 Numeric
 0 2
#
 B21104 Likelihood computed for solution
 Numeric
 3 5
#
 B21105 Normalized radar cross-section
 dB
 2 5
#
 B21106 Kp variance coefficient (Alpha)
 Numeric
 3 5
#
 B21107 Kp variance coefficient (Beta)
 Numeric
 8 5
#
 B21109 SEAWINDS wind vector cell quality
 Flag table
 0 6	17
#
 B21110 Number of inner-beam Sigma-0 (forward of satellite)
 Numeric
 0 2
#
 B21111 Number of outer-beam Sigma-0 (forward of satellite)
 Numeric
 0 2
#
 B21112 Number of inner-beam Sigma-0 (aft of satellite)
 Numeric
 0 2
#
 B21113 Number of outer-beam Sigma-0 (aft of satellite)
 Numeric
 0 2
#
 B21114 Kp variance coefficent (Gamma)
 dB
 3 6
#
 B21115 SEAWINDS sigma-0 quality
 Flag table
 0 6	17
#
 B21116 SEAWINDS sigma-0 mode
 Flag table
 0 6	17
#
 B21117 Sigma-0 variance quality control
 Numeric
 2 5
#
 B21118 Attenuation correction on sigma-0
 dB
 2 5
#
 B21119 Wind scatterometer geophysical model function
 Code table
 0 2
#
 B21120 Probability of rain
 Numeric
 3 4
#
 B21121 SEAWINDS NOF* rain index
 Numeric
 0 3
#
 B21122 Attenuation correction of sigma-0 (from tB)
 dB
 2 5
#
 B21123 SEAWINDS normalized radar cross section
 dB
 2 5
#
 B21128 Number of valid points per second used to derive previous parameters
 Numeric
 0 3
#
 B21130 Spectrum total energy
 Numeric
 6 9
#
 B21131 Spectrum max energy
 Numeric
 6 9
#
 B21132 Direction of spectrum max on higher resolution grid
 Degree
 3 6
#
 B21133 Wave-length of spectrum max on higher resolution grid
 m
 3 9
#
 B21134 Range resolution of cress covariance spectrum
 Rad m-1
 3 6
#
 B21135 Real part of cross spectra polar grid number of bins
 Numeric
 3 7
#
 B21136 Imaginary part of cross spectra polar grid number of bins
 Numeric
 3 7
#
 B21137 KU band corrected ocean backscatter coefficient
 dB
 2 5
#
 B21138 Std KU band corrected ocean backscatter coefficient
 dB
 2 5
#
 B21139 KU band net instrumental correction for AGC
 dB
 2 4
#
 B21140 S band corrected ocean backscatter coefficient
 dB
 2 5
#
 B21141 Std S band corrected ocean backscatter coefficient
 dB
 2 5
#
 B21142 S band net instrumental correction for AGC
 dB
 2 4
#
 B21143 KU band rain attenuation
 dB
 2 10
#
 B21144 Altimeter rain flag
 Flag table
 0 1	2
#
 B21145 Ku band automatic gain control
 dB
 2 4
#
 B21146 RMS Ku band automatic gain control
 dB
 2 3
#
 B21147 Number of valid points for Ku band automatic gain control
 Numeric
 0 2
#
 B21150 Beam collocation
 Code table
 0 1
#
 B21151 Estimated error in sigma-0 at 40 deg. incidence angle
 dB
 2 3
#
 B21152 Slope at 40 deg. incidence angle
 dB/Deg
 2 2
#
 B21153 Estimated error in slope at 40 deg. incidence angle
 dB/Deg
 2 2
#
 B21154 Soil moisture sensitivity
 dB
 2 4
#
 B21155 Wind vector cell quality
 Flag table
 0 8	24
#
 B21156 Backscatter distance
 Numeric
 1 4
#
 B21157 Loss per unit length of atmosphere used
 dB m-1
 10 7
#
 B21158 ASCAT kp estimate quality
 Code table
 0 1
#
 B21159 ASCAT sigma-0 usability
 Code table
 0 1 2
#
 B21160 ASCAT use of synthetic data
 Numeric
 3 4
#
 B21161 ASCAT synthetic data quality
 Numeric
 3 4
#
 B21162 ASCAT satellite orbit and attitude quality
 Numeric
 3 4
#
 B21163 ASCAT solar array reflection contamination
 Numeric
 3 4
#
 B21164 ASCAT telemetry presence and quality
 Numeric
 3 4
#
 B21165 ASCAT extrapolated reference function presence
 Numeric
 3 4
#
 B21166 ASCAT land fraction
 Numeric
 3 4
#
 B21169 Ice presence indicator
 Code table
 0 1
#
 B21170 C band corrected ocean backscatter coefficient
 dB
 2 5
#
 B21171 RMS C band corrected ocean backscatter coefficient
 dB
 2 5
#
 B21172 C band net instrumental correction for AGC
 dB
 2 4
#
 B21173 C band automatic gain control
 dB
 2 4
#
 B21174 RMS C band automatic gain control
 dB
 2 3
#
 B21175 Number of valid points for C band automatic gain control
 Numeric
 0 4
#

Class 22

#
 B22001 Direction of waves
 Degree true
 0 3
#
 B22002 Direction of wind waves
 Degree true
 0 3
#
 B22003 Direction of swell waves
 Degree true
 0 3
#
 B22004 Direction of current
 Degree true
 0 3
#
 B22005 Direction of sea surface current
 Degree true
 0 3
#
 B22011 Period of waves
 s
 0 2
#
 B22012 Period of wind waves
 s
 0 2
#
 B22013 Period of swell waves
 s
 0 2
#
 B22021 Height of waves
 m
 1 4
#
 B22022 Height of wind waves
 m
 1 4
#
 B22023 Height of swell waves
 m
 1 4
#
 B22025 Standard deviation wave height
 m
 2 4
#
 B22026 Standard deviation of significant wave height
 m
 2 4
#
 B22031 Speed of current
 m s-1
 2 4
#
 B22032 Speed of sea surface current
 m s-1
 2 4
#
 B22035 Tidal elevation with respect to local chart datum
 m
 2 4
#
 B22036 Meteorological residual tidal elevation (surge or offset)
 m
 2 4
#
 B22037 Tidal elevation with respect to national land datum
 m
 3 5
#
 B22038 Tidal elevation with respect to local chart datum
 m
 3 5
#
 B22039 Meteorological residual tidal elevation (surge or offset)
 m
 3 4
#
 B22040 Meteorological residual tidal elevation (surge or offset)
 m
 3 5
#
 B22041 Sea-surface temperature (15-day running mean)
 K
 1 4
#
 B22042 Sea/water temperature
 K
 1 4
#
 B22043 Sea/water temperature
 K
 2 5
#
 B22044 Sound velocity
 m s-1
 1 5
#
 B22045 Sea/water temperature
 K
 3 6
#
 B22046 Sea Ice Fraction
 Numeric
 2 3
#
 B22049 Sea surface temperature
 K
 2 5
#
 B22050 Standard deviation sea-surface temperature
 K
 2 3
#
 B22055 Float cycle number
 Numeric
 0 3
#
 B22056 Direction of profile
 Code table
 0 1
#
 B22059 Sea surface salinity
 Part per thousand
 2 5
#
 B22060 Lagrangian drifter drogue status
 Code table
 0 1
#
 B22061 State of the sea
 Code table
 0 2
#
 B22062 Salinity
 Part per thousand
 2 5
#
 B22063 Total water depth
 m
 0 5
#
 B22064 Salinity
 Part per thousand
 3 6
#
 B22065 Water pressure
 Pa
 -3 6
#
 B22066 Water conductivity
 S m-1
 6 8
#
 B22067 Instrument type for water temperature profile measurement
 Code table
 0 4
#
 B22068 Water temperature profile recorder types
 Code table
 0 3
#
 B22069 Spectral wave density
 m2Hz-1
 3 7
#
 B22070 Significant wave height
 m
 2 4
#
 B22071 Spectral peak wave period
 s
 1 3
#
 B22072 Spectral peak wave length
 m
 0 4
#
 B22073 Maximum wave height
 m
 2 4
#
 B22074 Average wave period
 s
 1 3
#
 B22075 Average wave length
 m
 0 4
#
 B22076 Direction from which dominant waves are coming
 Degree true
 0 3
#
 B22077 Directional spread of dominant wave
 Degree
 0 3
#
 B22078 Duration of wave record
 s
 0 4
#
 B22079 Length of wave record
 m
 0 5
#
 B22080 Waveband central frequency
 Hz
 3 4
#
 B22081 Waveband central wave number
 m-1
 5 4
#
 B22082 Maximum non-directional spectral wave density
 m2 s
 2 7
#
 B22083 Maximum non-directional spectral wave number
 m3
 2 7
#
 B22084 Band containing maximum non- directional spectral wave density
 Numeric
 0 3
#
 B22085 Spectral wave density ratio
 Numeric
 0 3
#
 B22086 Mean direction from which waves are coming
 Degree true
 0 3
#
 B22087 Principal direction from which waves are coming
 Degree true
 0 3
#
 B22088 First normalized polar coordinate from Fourier coefficients
 Numeric
 2 3
#
 B22089 Second normalized polar coordinate from Fourier coefficients
 Numeric
 2 3
#
 B22090 Non-directional spectral estimate by wave frequency
 m2 s
 2 7
#
 B22091 Non-directional spectral estimate by wave number
 m3
 2 7
#
 B22092 Directional spectral estimate by wave frequency
 m2 rad-1 s
 2 7
#
 B22093 Directional spectral estimate by wave number
 m4
 2 7
#
 B22094 Total number of wave bands
 Numeric
 0 3
#
 B22095 Directional spread of individual waves
 Degree
 0 3
#
 B22096 Spectral band width
 s-1
 3 2
#
 B22097 Mean wavelength > 731 m of image spectrum at low wave numbers
 m
 0 5
#
 B22098 Wavelength spread (wavelength > 731 m) at low wave numbers
 m
 0 5
#
 B22099 Mean direction at low wave numbers (wavelength > 731 m)
 Degree true
 0 3
#
 B22100 Direction spread at low wave numbers(wavelength > 731 m)
 Degree
 0 3
#
 B22101 Total energy (wavelength > 731m) at low wave numbers
 Numeric
 0 10
#
 B22120 Tide station automated water level check
 Code table
 0 2
#
 B22121 Tide station manual water level check
 Code table
 0 2
#
 B22122 Tide station automated meteorological data check
 Code table
 0 2
#
 B22123 Tide station manual meteorological data check
 Code table
 0 2
#
 B22141 Sea-surface temperature (15-day running mean)
 K
 2 5
#
 B22150 Number of 18 Hz valid points for KU band
 Numeric
 0 4
#
 B22151 KU band ocean range
 m
 3 10
#
 B22152 STD of 18 Hz KU band ocean range
 m
 3 5
#
 B22153 Number of 18 Hz valid points for S band
 Numeric
 0 4
#
 B22154 S band ocean range
 m
 3 10
#
 B22155 STD of 18 Hz S band ocean range
 m
 3 5
#
 B22156 KU band significant wave height
 m
 3 5
#
 B22157 STD 18Hz KU band significant wave height
 m
 3 5
#
 B22158 S band significant wave height
 m
 3 5
#
 B22159 STD 18Hz S band significant wave height
 m
 3 5
#
 B22160 Normalized inverse wave age
 Numeric
 6 7
#
 B22161 Wave spectra
 m4
 4 9
#
 B22162 RMS of 20 Hz Ku band ocean range
 m
 3 5
#
 B22163 Number of 20Hz valid points for Ku band
 Numeric
 0 4
#
 B22164 RMS 20 Hz Ku band significant wave height
 m 
 3 5
#
 B22165 Number of 20Hz valid points for Ku band significant wave height
 Numeric
 0 4
#
 B22166 Ku band net instrumental correction for significant wave height
 m
 3 4
#
 B22167 Number of valid points for Ku band backscatter
 Numeric
 0 4
#
 B22168 C band ocean range
 m
 3 10
#
 B22169 RMS of C band ocean range
 m
 3 5
#
 B22170 Number of 20Hz valid points for C band
 Numeric
 0 4
#
 B22171 C band significant wave height
 m
 3 5
#
 B22172 RMS 20Hz C band significant wave height
 m
 3 5
#
 B22173 Number of 20Hz valid points for C band significant wave height
 Numeric
 0 4
#
 B22174 C band net instrumental correction for significant wave height
 m
 3 4
#
 B22175 Number of valid points for C band backscatter
 Numeric
 0 4
#

Class 23

#
 B23001 Accident early notification - article applicable
 Code table
 0 1
#
 B23002 Activity or facility involved in incident
 Code table
 0 2
#
 B23003 Type of release
 Code table
 0 1
#
 B23004 Countermeasures taken near border
 Code table
 0 1
#
 B23005 Cause of incident
 Code table
 0 1
#
 B23006 Incident situation
 Code table
 0 1
#
 B23007 Characteristics of release
 Code table
 0 1
#
 B23008 State of current release
 Code table
 0 1
#
 B23009 State of expected release
 Code table
 0 1
#
 B23016 Possibility of significant chemical toxic health effect
 Code table
 0 1
#
 B23017 Flow discharge of major recipient
 m3 s-1
 6 7
#
 B23018 Release behaviour over time
 Code table
 0 1
#
 B23019 Actual release height
 m
 0 6
#
 B23021 Effective release height
 m
 0 6
#
 B23022 Distance of release point or site of incident
 m
 0 8
#
 B23023 Main transport speed in the atmosphere
 m s-1
 1 4
#
 B23024 Main transport speed in water
 m s-1
 2 4
#
 B23025 Main transport speed in ground water
 m s-1
 2 4
#
 B23027 Main transport direction in the atmosphere
 Degree true
 0 3
#
 B23028 Main transport direction in water
 Degree true
 0 3
#
 B23029 Main transport direction in ground water
 Degree true
 0 3
#
 B23031 Possibility that plume will encounter precipitation in State in which incident occurred
 Code table
 0 1
#
 B23032 Plume will encounter change in wind direction and/or speed flag
 Code table
 0 1
#

Class 24

#
 B24001 Estimate of amount of radioactivity released up to specified time
 Bq*
 -11 9
#
 B24002 Estimated maximum potential release
 Bq
 -11 9
#
 B24003 Composition of release
 Code table
 0 2
#
 B24004 Element name
 Character
 0 2
#
 B24005 Isotope mass
 Numeric
 0 3
#
 B24011 Dose
 mSv*/**
 2 10
#
 B24012 Trajectory dose (defined location and expected time of arrival)
 mSv
 2 10
#
 B24013 Gamma dose in air along the main transport path (defined location and time period)
 mSv
 2 10
#
 B24021 Air concentration (of named isotope type including gross beta)
 Bq m-3
 2 10
#
 B24022 Concentration in precipitation (of names isotope type)
 Bq l-1
 2 10
#
 B24023 Pulse rate of beta radiation
 s-1
 1 4
#
 B24024 Pulse rate of gamma radiation
 s-1
 1 4
#

Class 25

#
 B25001 Range-gate length
 m
 -1 2
#
 B25002 Number of gates averaged
 Numeric
 0 2
#
 B25003 Number of integrated pulses
 Numeric
 0 3
#
 B25004 Echo processing
 Code table
 0 1
#
 B25005 Echo integration
 Code table
 0 1
#
 B25006 Z to R conversion
 Code table
 0 1
#
 B25007 Z to R conversion factor
 Numeric
 0 4
#
 B25008 Z to R conversion exponent
 Numeric
 2 3
#
 B25009 Calibration method (see Note 4)
 Flag table
 0 2	4
#
 B25010 Clutter treatment
 Code table
 0 2
#
 B25011 Ground occultation correction (screening)
 Code table
 0 1
#
 B25012 Range attenuation correction
 Code table
 0 1
#
 B25013 Bright-band correction
 Flag table
 0 1	2
#
 B25014 Azimuth clutter cut-off (see Note 1)
 Numeric
 0 4
#
 B25015 Radome attenuation correction
 Flag table
 0 1	2
#
 B25016 Clear-air attenuation correction
 dB m-1
 5 2
#
 B25017 Precipitation attenuation correction
 Flag table
 0 1	2
#
 B25018 A to Z law for attenuation factor
 Numeric
 7 2
#
 B25019 A to Z law for attenuation exponent
 Numeric
 2 3
#
 B25020 Mean speed estimation
 Code table
 0 1
#
 B25021 Wind computation enhancement
 Flag table
 0 3	8
#
 B25022 GHRSST Rejection Flag
 Flag table
 0 3    9
#
 B25023 GHRSST Confidence Flag
 Flag table
 0 3    9
#
 B25024 GHRSST data quality
 Code table
 0 2
#
 B25025 Battery voltage
 V
 1 3
#
 B25026 Battery voltage (large range)
 V
 1 4
#
 B25028 Operator or manufacturer defined parameter
 Numeric
 1 5
#
 B25029 Calibration method
 Flag table
 0 2	6
#
 B25030 Running mean sea-surface temperature usage
 Code table
 0 1
#
 B25032 Wind profiler mode information*
 Code table
 0 1
#
 B25033 Wind profiler submode information*
 Code table
 0 1
#
 B25034 Wind profiler quality control test results*
 Flag table
 0 2	4
#
 B25036 Atmospherics location method
 Code table
 0 2
#
 B25037 SST bias
 K
 2 3
#
 B25038 Difference between SST and analysis
 K
 1 3
#
 B25040 CO2 wind product derivation
 Code table
 0 2
#
 B25041 Moving platform direction reporting method
 Code table
 0 1
#
 B25042 Moving platform speed reporting method
 Code table
 0 1
#
 B25043 Wave sampling interval (time)
 s
 4 5
#
 B25044 Wave sampling interval (space)
 m
 2 5
#
 B25045 HIRS channel combination
 Flag table
 0 7	21
#
 B25046 MSU channel combination
 Flag table
 0 2	5
#
 B25047 SSU channel combination
 Flag table
 0 2	4
#
 B25048 AMSU-A channel combination
 Flag table
 0 6	16
#
 B25049 AMSU-B channel combination
 Flag table
 0 2	6
#
 B25050 Principal component score
 Numeric
 4 6
#
 B25051 AVHRR channel combination
 Flag table
 0 3	7
#
 B25052 Log-10 of principal components normalized fit to data
 Numeric
 4 5
#
 B25053 Observation quality
 Flag table
 0 4	12
#
 B25054 SSMIS Subframe ID nember
 Numeric
 0 2
#
 B25055 Multiplexer housekeeping
 K
 2 5
#
 B25060 Software identification (see Note 2)
 Numeric
 0 5
#
 B25061 Software identification and version number
 Character
 0 12
#
 B25062 Database identification
 Numeric
 0 5
#
 B25065 Orientation correction (azimuth)
 Degree
 2 4
#
 B25066 Orientation correction (elevation)
 Degree
 2 4
#
 B25067 Radiosonde release point pressure correction
 Pa
 0 4
#
 B25068 Number of archive recomputes
 Numeric
 0 3
#
 B25069 Flight level pressure corrections
 Flag table
 0 3	8
#
 B25070 Major frame count
 Numeric
 0 2
#
 B25071 Frame count
 Numeric
 0 2
#
 B25075 Satellite antenna corrections version number
 Numeric
 0 2
#
 B25076 Log-10 of (Temperature-radiance central wavenumber) for ATOVS
 log m-1
 8 10
#
 B25077 Bandwidth correction coefficient 1 for ATOVS
 Numeric
 5 7
#
 B25078 Bandwidth correction coefficient 2 for ATOVS
 Numeric
 5 6
#
 B25079 Albedo-radiance solar filtered irradiance for ATOVS
 W m-2
 4 8
#
 B25080 Albedo-radiance equivalent filter width for ATOVS
 m
 10 5
#
 B25081 Incidence angle
 Degree
 3 6
#
 B25082 Azimuth angle
 Degree
 3 6
#
 B25083 Faraday rotational angle
 Degree
 3 6
#
 B25084 Geometric rotational angle
 Degree
 5 8
#
 B25085 Fraction of clear pixels in HIRS FOV
 Numeric
 0 3
#
 B25086 Depth correction indicator
 Code table
 0 1
#
 B25090 Orbit state flag
 Code table
 0 2
#
 B25091 Structure constant of the refraction index (Cn2)
 dB
 3 5
#
 B25092 Acoustic propagation velocity
 m s-1
 2 5
#
 B25093 RASS computation correction
 Flag table
 0 3	8
#
 B25095 Altimeter state flag
 Flag table
 0 1	2
#
 B25096 Radiometer state flag
 Flag table
 0 2	5
#
 B25097 Three dimensional error estimate of the navigator orbit
 Code table
 0 2
#
 B25098 Altimeter data quality flag
 Flag table
 0 3    9
#
 B25099 Altimeter correction quality flag
 Flag table
 0 3    9
#
 B25100 XBT/XCTD fall rate equation coefficient a
 Numeric
 5 6
#
 B25101 XBT/XCTD fall rate equation coefficient b
 Numeric
 5 6
#
 B25102 Number of missing lines excluding data gaps
 Numeric
 0 3
#
 B25103 Number of directional bins
 Numeric
 0 3
#
 B25104 Number of wave-length bins
 Numeric
 0 3
#
 B25105 First directional bin
 Degree
 3 6
#
 B25106 Directional bin step
 Degree
 3 6
#
 B25107 First wave-length bin
 m
 3 9
#
 B25108 Last wave-length bin
 m
 3 9
#
 B25110 Image processing summary
 Flag table
 0 4	10
#
 B25111 Number of input data gaps
 Numeric
 0 3
#
 B25120 RA2-L2-processing flag
 Code table
 0 1
#
 B25121 RA2-L2-processing quality
 %
 0 3
#
 B25122 Hardware configuration for RF
 Code table
 0 1
#
 B25123 Hardware configuration for HPA
 Code table
 0 1
#
 B25124 MWR L2 Processing flag
 Code table
 0 1
#
 B25125 MWR L2-processing quality
 %
 0 3
#
 B25126 Model dry tropospheric correction
 m
 3 5
#
 B25127 Inverted barometer correction
 m
 3 5
#
 B25128 Model wet tropospheric correction
 m
 3 5
#
 B25129 MWR derived wet tropospheric correction
 m
 3 5
#
 B25130 RA2 ionospheric correction on KU band
 m
 3 5
#
 B25131 Ionospheric correction from Doris on KU band
 m
 3 5
#
 B25132 Ionospheric correction from model on KU band
 m
 3 5
#
 B25133 Sea state bias correction on KU band
 m
 3 5
#
 B25134 RA2 ionospheric correction on S band
 m
 3 5
#
 B25135 Ionospheric correction from Doris on S band
 m
 3 5
#
 B25136 Ionospheric correction from model on S band
 m
 3 5
#
 B25137 Sea state bias correction on S band
 m
 3 5
#
 B25138 Average signal to noise ration
 Numeric
 0 4
#
 B25140 Start channel
 Numeric
 0 5
#
 B25141 End channel
 Numeric
 0 5
#
 B25142 Channel scale factor
 Numeric
 0 2
#
 B25143 Linear coefficient
 Numeric
 6 8
#
 B25150 Method of tropical cyclone intensity analysis using satellite data
 Code table
 0 2
#
 B25160 Ku band net instrumental correction 
 m
 4 6
#
 B25161 C band net instrumental correction 
 m
 4 6
#
 B25162 Sea state bias correction on C band
 m
 4 4
#
 B25163 Altimeter ionospheric correction on Ku band
 m
 3 5
#
 B25164 Radiometer wet tropospheric correction
 m
 4 4
#
 B25174 SMOS information flag
 Flag table
 0 5    14
#

Class 26

#
 B26001 Principal time of daily reading in UTC of maximum temperature
 Hour
 1 3
#
 B26002 Principal time of daily reading in UTC of minimum temperature
 Hour
 1 3
#
 B26003 Time difference
 Minute
 0 4
#
 B26010 Hours included
 Flag table
 0 9	26
#
 B26020 Duration of precipitation
 Minute
 0 4
#
 B26030 Measurement integration time
 Second
 2 3
#

Class 27

#
 B27001 Latitude (high accuracy)
 Degree
 5 7
#
 B27002 Latitude (coarse accuracy)
 Degree
 2 4
#
 B27003 Alternate latitude (coarse accuracy)
 Degree
 2 4
#
 B27004 Alternate latitude (high accuracy)
 Degree
 5 7
#
 B27010 Footprint axis 1
 m
 -1 5
#
 B27020 Satellite location counter
 Numeric
 0 5
#
 B27021 Satellite sublocation dimension
 Numeric
 0 5
#
 B27031 In direction of 0 degrees longitude, distance from the Earth's centre
 m
 2 10
#
 B27080 Viewing Azimuth angle
 Degree true
 0 5
#

Class 28

#
 B28001 Longitude (high accuracy)
 Degree
 5 8
#
 B28002 Longitude (coarse accuracy)
 Degree
 2 5
#
 B28003 Alternate longitude (coarse accuracy)
 Degree
 2 5
#
 B28004 Alternate longitude (high accuracy)
 Degree
 5 8
#
 B28010 Footprint axis 2
 m
 -1 5
#
 B28031 In direction 90 degrees East, distance from the Earth's centre
 m
 2 10
#

Class 29

#
 B29001 Projection type
 Code table
 0 1
#
 B29002 Co-ordinate grid type
 Code table
 0 1
#

Class 30

#
 B30001 Pixel value (4 bits)
 Numeric
 0 2
#
 B30002 Pixel value (8 bits)
 Numeric
 0 3
#
 B30004 Pixel value (16 bits)
 Numeric
 0 5
#
 B30010 Number of grid points
 Numeric
 0 4
#
 B30021 Number of pixels per row
 Numeric
 0 4
#
 B30022 Number of pixels per column
 Numeric
 0 4
#
 B30031 Picture type
 Code table
 0 2
#
 B30032 Combination with other data
 Flag table
 0 6	16
#

Class 31

#

Class 33

#
 B33002 Quality information
 Code table
 0 1
#
 B33003 Quality information
 Code table
 0 1
#
 B33005 Quality information (AWS data)
 Flag table
 0 10	30
#
 B33006 Internal measurement status information (AWS)
 Code table
 0 1
#
 B33007 Per cent confidence
 %
 0 3
#
 B33015 Data quality check indicator
 Code table
 0 2
#
 B33020 Quality control indication of following value
 Code table
 0 1
#
 B33021 Quality of following value
 Code table
 0 1
#
 B33022 Quality of buoy satellite transmission
 Code table
 0 1
#
 B33023 Quality of buoy location
 Code table
 0 1
#
 B33024 Station elevation quality mark (for mobile stations)
 Code table
 0 2
#
 B33025 ACARS interpolated values
 Code table
 0 1
#
 B33026 Moisture quality
 Code table
 0 2
#
 B33027 Location quality class (range of radius of 66 % confidence)
 Code table
 0 1
#
 B33028 Snapshot overall quality
 Code table
 0 1
#
 B33030 Scan line status flags for ATOVS
 Flag table
 0 8	24
#
 B33031 Scan line quality flags for ATOVS
 Flag table
 0 8	24
#
 B33032 Channel quality flags for ATOVS
 Flag table
 0 8	24
#
 B33033 Field of view quality flags for ATOVS
 Flag table
 0 8	24
#
 B33035 Manual/automatic quality control
 Code table
 0 2
#
 B33036 Nominal confidence threshold
 %
 0 3
#
 B33037 Wind correlation error
 Flag table
 0 7	20
#
 B33038 Quality flags for ground-based GNSS data
 Flag table
 0 4	10
#
 B33039 Quality flags for Radio Occultation data
 Flag table
 0 6	16
#
 B33040 Confidence interval
 Percent
 0 3
#
 B33041 Attribute of following value
 Code table
 0 1
#
 B33042 Type of limit represented by following value
 Code table
 0 1
#
 B33043 AST confidence
 Flag table
 0 3	8
#
 B33044 ASAR quality information
 Flag table
 0 5	15
#
 B33045 Probability of following event
 %
 0 3
#
 B33046 Conditional probability of following event with respect to specified conditioning event
 %
 0 3
#
 B33047 Measurement confidence data
 Flag table
 0 11	31
#
 B33048 Confidence measure of SAR inversion
 Code table
 0 1
#
 B33049 Confidence measure of wind retrieval
 Code table
 0 1
#
 B33050 Global GTSPP quality flag
 Code table
 0 2
#
 B33052 S band ocean retracking quality
 Flag table
 0 7	21
#
 B33053 KU band ocean retracking quality
 Flag table
 0 7	21
#
 B33060 GqisFlagQual - individual IASI-System quality flag
 Code Table
 0 1
#
 B33061 GqisQualIndex - indicator for instrument noise performance (contributions from spectral and radiometric)
 %
 0 3
#
 B33062 GqisQualIndexLoc - indicator for geometric quality index
 %
 0 3
#
 B33063 GqisQualIndexRad - indicator for instrument noise performance (contributions from radiometric calibration)
 %
 0 3
#
 B33064 GqisQualIndexSpect - indicator for instrument noise performance (contributions from spectral calibration)
 %
 0 3
#
 B33065 GqisSysTecSondQual - output of system TEC (Technical Expertise Centre) quality function
 Numeric
 0 8
#
 B33070 Total ozone quality
 Code table
 0 2
#
 B33071 Profile ozone quality
 Code table
 0 2
#
 B33072 Ozone error
 Code table
 0 2
#

Class 35

#
 B35000 FM and regional code number
 Code table
 0 3
#
 B35001 Time-frame for monitoring
 Code table
 0 1
#
 B35011 Number of reports actually received
 Numeric
 0 4
#
 B35021 Bulletin being monitored (TTAAii)
 Character
 0 6
#
 B35022 Bulletin being monitored (YYGGgg)
 Character
 0 6
#
 B35023 Bulletin being monitored (CCCC)
 Character
 0 4
#
 B35024 Bulletin being monitored (BBB)
 Character
 0 3
#
 B35030 Discrepancies in the availability of expected data
 Code table
 0 1
#
 B35031 Qualifier on monitoring results
 Code table
 0 2
#
 B35032 Cause of missing data
 Code table
 0 1
#
 B35033 Observation and collection deficiencies
 Code table
 0 2
#
 B35034 Statistical trends for availability of data (during the survey period(s))
 Code table
 0 1
#
 B35035 Reason for termination
 Code table
 0 2
#

Class 40

#
 B40001 Surface soil moisture (ms)
 %
 1 4
#
 B40002 Estimated error in surface soil moisture
 %
 1 4
#
 B40003 Mean surface soil moisture
 Numeric
 3 4
#
 B40004 Rain fall detection
 Numeric
 3 4
#
 B40005 Soil moisture correction flag
 Flag table
 0 3	8
#
 B40006 Soil moisture processing flag
 Flag table
 0 6	16
#
 B40007 Soil moisture quality
 %
 1 4
#
 B40008 Frozen land surface fraction
 %
 1 4
#
 B40009 Inundation and wetland fraction
 %
 1 4
#
 B40010 Topographic complexity
 %
 1 4
#
 B40011 Interpolation flag
 Flag table
 0 3    8
#
 B40012 Radiometer data quality flag
 Flag table
 0 3    8
#
 B40013 Radiometer brightness temperature interpretation flag
 Code table
 0 1
#
 B40014 High frequency fluctuations of the sea surface topography correction
 m
 4 4
#

Update history

This is version 6.1 of Cipher CREX table B, created from original WMO documents by Northern Lighthouse Ltd.